- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/028 - Optical fibres with cladding with core or cladding having graded refractive index
Patent holdings for IPC class G02B 6/028
Total number of patents in this class: 954
10-year publication summary
|
76
|
110
|
79
|
63
|
81
|
53
|
61
|
27
|
29
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10504 |
231 |
| Sumitomo Electric Industries, Ltd. | 16331 |
59 |
| Draka Comteq, B.V. | 233 |
49 |
| OFS Fitel, LLC | 574 |
48 |
| nLIGHT, Inc. | 417 |
42 |
| Fujikura Ltd. | 3087 |
32 |
| Panduit Corp. | 1017 |
23 |
| The Furukawa Electric Co., Ltd. | 3694 |
21 |
| Yangtze Optical Fibre and Cable Joint Stock Limited Company | 112 |
19 |
| Fiberhome Telecommunication Technologies Co., Ltd. | 366 |
12 |
| Sterlite Technologies Limited | 245 |
12 |
| Nippon Telegraph and Telephone Corporation | 15924 |
11 |
| Corning Optical Communications LLC | 1270 |
10 |
| CommScope Technologies LLC | 3250 |
8 |
| Draka Comteq France | 14 |
8 |
| Chiral Photonics, Inc. | 53 |
7 |
| Wells Fargo Bank, National Association, AS Collateral Agent | 877 |
7 |
| Zhongtian Technology Advanced Materials Co., Ltd. | 38 |
7 |
| Jiangsu Zhongtian Technology Co., Ltd. | 199 |
6 |
| Magic Leap, Inc. | 3394 |
6 |
| Other owners | 336 |